Respuesta :

Answer:

-7

Step-by-step explanation:

formula : y = mx + b

b is the y intercept

with a slope of -3

y = -3x + b

with (0, -7)

x = 0

y = -7

put in the values

-7 = -3(0) + b

-7 = 0 + b

-7 = b

Answer:

-7

Step-by-step explanation:

got it right on edge!